Search History Select to load keywords (dateIssued equals "[1957 TO 1999]") AND (subject equals "Polyethylene") AND (author equals "Parichart Limsila") AND (subject equals "Maleic anhydride") AND (dateIssued equals "1999") (author equals "ผุสตี ปริยานนท์") AND (author equals "นงเยาว์ จันทร์ผ่อง") AND (author equals "วีณา เมฆวิชัย") AND (author equals "สีมา ชัยสวัสดิ์") AND (subject equals "กบ -- การเลี้ยง -- ไทย")
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